Home / 286,547.34-395,427.48-159,219.66

Finding the Fourth Proportional to 286,547.34, 395,427.48 and 159,219.66

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Solution

The fourth proportional to 286,547.34, 395,427.48 and 159,219.66 is: 219,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,547.34 : 395,427.48 = 159,219.66 : x
  2. Step 2: Convert to fraction form
    286,547.34/395,427.48 = 159,219.66/x
  3. Step 3: Cross multiply
    286,547.34x = 395,427.48 × 159,219.66
  4. Step 4: Simplify right side
    286,547.34x = 62,959,828,920.26
  5. Step 5: Solve for x
    x = 62,959,828,920.26/286,547.34
  6. Step 6: Final answer
    x = 219,718.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.